select

问题 I have the following query select main_cat_name,cat_url from mf_main order by main_cat_name This returns whole data of my table.Now i want to have count of the total rows of this table.I can do it using another query but how can i use them in one single query??? I want two data ONE :- the rows of the table TWO:- the count how can i have that in one single query I tried this but it gives correct count but displays only first row of the table : select count(cat_id),main_cat_name,cat_url from mf

问题 I have the following query select main_cat_name,cat_url from mf_main order by main_cat_name This returns whole data of my table.Now i want to have count of the total rows of this table.I can do it using another query but how can i use them in one single query??? I want two data ONE :- the rows of the table TWO:- the count how can i have that in one single query I tried this but it gives correct count but displays only first row of the table : select count(cat_id),main_cat_name,cat_url from mf

问题 I have a script written in PHP which has this line which is working correctly for selecting the data i need; $result = mysql_query("SELECT product_name, sku, qty FROM supplier_dropship_items WHERE supplier_id = '3' AND status = '2'", $db_beb); What I'm struggling with is a way to update the records I have selected, once selected I need to change the status = '1' so that the next time my script runs it won't pull the same data in the select and will only pull new items in the table which have

问题 I have a script written in PHP which has this line which is working correctly for selecting the data i need; $result = mysql_query("SELECT product_name, sku, qty FROM supplier_dropship_items WHERE supplier_id = '3' AND status = '2'", $db_beb); What I'm struggling with is a way to update the records I have selected, once selected I need to change the status = '1' so that the next time my script runs it won't pull the same data in the select and will only pull new items in the table which have

问题 I wrote a shell script using bash built-in command select to create selection menu. It works well when invoking by bash directly. But if I use pipe | such as cat script.sh | bash , the select function will not work. For example, code snippet shows #!/usr/bin/env bash arr=("Red Hat" "SUSE" "Debian") PS3="Choose distribution:" result=${result:-} select item in "${arr[@]}"; do result="${item}" [[ -n "${result}" ]] && break done echo "Result is ${result}" unset PS3 Directly using bash script.sh ,

问题 I wrote a shell script using bash built-in command select to create selection menu. It works well when invoking by bash directly. But if I use pipe | such as cat script.sh | bash , the select function will not work. For example, code snippet shows #!/usr/bin/env bash arr=("Red Hat" "SUSE" "Debian") PS3="Choose distribution:" result=${result:-} select item in "${arr[@]}"; do result="${item}" [[ -n "${result}" ]] && break done echo "Result is ${result}" unset PS3 Directly using bash script.sh ,

问题 When I add a select dynamic to a DIV via clone, I'm not able to select anything from the new dropdown, any ideas why? $(".inline-form .copyIng:first-child").clone().appendTo(".inline-form"); See this : http://jsfiddle.net/rxwL6/ .trigger("refresh"); Dosen't change anything, I still can't select anything from the new dropdown. 回答1: Problem is that you are cloning html content that has already been 'enhanced' by jQM and not the original markup. Therefore jQM does not know how to create or

问题 I will not go deep in details. I have Java program which is creating tables in Database. The thing is that when table is created one of the fields get default value. So when I am adding elements to this field I want to select default value. Now loading of all element's ID is: SELECT distinct(codeKind) FROM [table_name]; I want to be something like this: SELECT [default value of column codeKind] from [table_name]; I checked many of answer of other similiar questions but none of them is OK.

问题 First steps in Angular (with Material at version 9). I'm creating a form with the following code: HTML: <mat-form-field> <mat-label>Course</mat-label> <mat-select [formControl]="subjectControl" [attr.data-tag-subjectSemester]="this.subjectControl.value ? this.subjectControl.value.trim() : '' [attr.data-tag-subjectName]="this.subjectControl.value ? this.subjectControl.value.trim() : '' (selectionChange)="onChange($event)" required > <mat-option>-- None --</mat-option> <mat-optgroup *ngFor="let

问题 let's say i have the data table like this ID users_Id createdAt 1 12 '2020-01-01' 2 12 '2020-01-03' 3 12 '2020-01-06' 4 13 '2020-01-02' 5 13 '2020-01-03' how do i get the timediff for every transaction and every users so the results are just like this MAX MIN AVERAGE MEDIAN 3 1 3 3 explanation: the maximum of timediff happen in users_id 12 when '2020-01-03' until '2020-01-06' (3 days) the mininum of timediff happen in users_id 13 when transaction between '2020-01-02' and '2020-01-03' the